package com.itheima.jobs;

import com.itheima.constant.MessageConstant;
import com.itheima.constant.RedisConstant;
import com.itheima.utils.QiniuUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;
import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;
import java.util.Set;

/**
 * 定时清理垃圾图片
 */
public class ClearImgJob {
    @Autowired
    private JedisPool jedisPool;

    public void clearImg() {
        Jedis jedis = jedisPool.getResource();
        Set<String> set = jedis.sdiff(RedisConstant.SETMEAL_PIC_RESOURCES,RedisConstant.SETMEAL_PIC_DB_RESOURCES);
        if(set != null && set.size() > 0){
            for (String imgName : set) {
                //删除七牛云中的图片
                QiniuUtils.deleteFileFromQiniu(imgName);
                System.out.println("定时任务，删除图片从七牛云：" + imgName);
                //从redis中删除图片名称
                jedis.srem(RedisConstant.SETMEAL_PIC_RESOURCES,imgName);
                System.out.println("定时任务，移除数据从redis：" + imgName);
            }
        }
        jedis.close();
    }

}
